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Paper Abstract and Keywords
Presentation 2015-10-22 16:10
[Tutorial Lecture] Review of research activities for thirty years -- Satellite communication, Cognitive radio, Standardization --
Kanshiro Kashiki (KDDI Labs.) AP2015-104
Abstract (in Japanese) (See Japanese page) 
(in English) The author has been engaged in the research and development activities regarding the wireless communications, since joining KDDI Corporation. The first work is the digitalization of the analog INMARSAT satellite communication, which includes the development of the experimental hardware equipment and field trial test at sea. The specifications of the equipment and experimental results are effectively utilized in new digital INMARSAT system. In the ATR (Advanced Telecommunications Research Institute International), the author was working for the optical inter-satellite communication and the DBF (Digital Beam Forming) antenna. In the technical area of the optical inter-satellite communication, he has developed the high power optical laser transmitter with 100 mW. Moreover, in recent years, efficient use of frequency resources in mobile radio service are required, since number of the user terminals in the cellular phone system has explosively increased. One scheme to resolve such frequency issue is the cognitive radio technique. Since 2005 year, the KDDI R&D Labs. has been engaged in the research project regarding the cognitive radio, which is founded by the Ministry of Internal Affairs and Communications in Japan. The author works as one of key persons. The obtained technical knowledges are contributed to the development of Report in the ITU (International Telecommunication Union).
Keyword (in Japanese) (See Japanese page) 
(in English) wireless communication system / satellite communication system / cognitive radio / international standardization / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 258, AP2015-104, pp. 55-58, Oct. 2015.
Paper # AP2015-104 
Date of Issue 2015-10-15 (AP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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Conference Information
Committee AP  
Conference Date 2015-10-22 - 2015-10-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Yamaguchi Pref. Roufukukyo-kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antenna and Propagation 
Paper Information
Registration To AP 
Conference Code 2015-10-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Review of research activities for thirty years 
Sub Title (in English) Satellite communication, Cognitive radio, Standardization 
Keyword(1) wireless communication system  
Keyword(2) satellite communication system  
Keyword(3) cognitive radio  
Keyword(4) international standardization  
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1st Author's Name Kanshiro Kashiki  
1st Author's Affiliation KDDI R&D Labs. (KDDI Labs.)
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Speaker
Date Time 2015-10-22 16:10:00 
Presentation Time 50 
Registration for AP 
Paper # IEICE-AP2015-104 
Volume (vol) IEICE-115 
Number (no) no.258 
Page pp.55-58 
#Pages IEICE-4 
Date of Issue IEICE-AP-2015-10-15 


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